Talvez deva tentar algumas variações de ortografia:
optimization experiments » optimization requirements (Expandir a busca), optimization investments (Expandir a busca), simulation experiments (Expandir a busca)
algorithms optimization » algorithm optimization (Expandir a busca), algorithmic optimization (Expandir a busca), algorithms estimation (Expandir a busca)
paths processing » wastes processing (Expandir a busca), data processing (Expandir a busca), gas processing (Expandir a busca)
experiments and » experimental and (Expandir a busca), experiments in (Expandir a busca), experiments doe (Expandir a busca)
using paths » bulding paths (Expandir a busca), using plants (Expandir a busca), using spatio (Expandir a busca)
and python » in python (Expandir a busca), usando python (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Caso esteja tentando utilizar os operadores booleanos, deve escrevê-los em Letras MAIÚSCULAS: using paths processing computer algorithms optimization experiments AND python computer~.
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: using paths processing computer algorithms optimization experiments and python computer*.